New AMD AGESA Firmware Reportedly Disables Cores on Some Ryzen 5 7600X CPUs

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AMD Ryzen 5 7600X users may want to avoid updating to the new AGESA firmware that was recently released. According to a recent tweet from hardware leaker chi11eddog, AGESA 1.0.0.4 (SMU 84.79.204) will disable cores on some Ryzen 5 7600X processors, resulting in decreased performance. MSI and ASRock have already removed the firmware from their website, it’s said.

From a chi11eddog tweet:

MSI & ASRock removed X670/B650 AGESA 1.0.0.4 (SMU 84.79.204) BIOS from the websites.
It’s rumored some 7600X are downcore from 2-CCD SKU with Core0 disabled, with which 1.0.0.4 can’t boot. AGESA 1003 is fine.
New SMU 84.79.210 will fix. 1.0.0.4 BIOS still on Gigabyte website.

AMD launched the Ryzen 5 7600X on August 29, 2022, a Zen 4 desktop processor that features 6C/12T, up to a 5.3 GHz boost frequency, 38 MB of total cache, and a TDP of 105 watts. It carries an MSRP of $299. A non-X version of the processor (Ryzen 5 7600) with 65-watt TDP will be available starting tomorrow, Tuesday, January 10, for $229.

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